Reconfigurable Wearable Antenna for Compensation of Detuning Effects

Shengjian Jammy Chen, Damith Chinthana Ranasinghe, Christophe Fumeaux

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

The presence of objects in proximity of a wearable antenna can detune its operation band. Such detuning effects through a metal object or a human tissue loading for a wearable antenna are firstly experimentally investigated in this paper. The antenna under test is a previously reported reconfigurable wearable antenna based on snap-on buttons with integrated tuning electronics. The empirical results suggest that the undesired frequency shifts will oscillate with varying distance from antenna to the loading object, but that the fractional detuning will generally remain below 8%. This provides general guidance for required compensation of the detuning effects through frequency tunability of the antenna. In addition, compensation for the observed detuning is further demonstrated using the antenna's reconfigurability. The presented findings demonstrate that reconfigurable antennas can be beneficial to wearable wireless communication systems where complex dynamic surrounding conditions are expected.

Original languageEnglish
Title of host publication13th European Conference on Antennas and Propagation (EuCAP 2019)
Place of PublicationPiscataway, New Jersey
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages5
ISBN (Electronic)9788890701887
Publication statusPublished - Mar 2019
Externally publishedYes
Event13th European Conference on Antennas and Propagation, EuCAP 2019 - Krakow, Poland
Duration: 31 Mar 20195 Apr 2019

Publication series

Name13th European Conference on Antennas and Propagation, EuCAP 2019

Conference

Conference13th European Conference on Antennas and Propagation, EuCAP 2019
Country/TerritoryPoland
CityKrakow
Period31/03/195/04/19

Keywords

  • Detuning
  • Reconfigurable antennas
  • Textile antennas
  • Wearable antennas

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